Samuel j



' (No Model.)

S. J. BEN$0N 8B A. D. HOLLIS.

REVERSIBLE BLOW. N0.353, 347.. Patented Nov. 30, 1886.

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' UNITED STATES PATENT. OFFICE.

SAMUEL J. BENSON AND ALONZO D. HOLLIS, OF BOULDER GREEK, GAL.

REVERSIBLE PLOW.

SPECIFICATION forming part of Letters Patent No. 353,347, dated November30, 1886.

Application filed September 13, 1886. Serial No. 213,548. (X0 model.)

.To aZZ whom it may concern.-

Be it known that we, SAMUEL J. BENSON and Ammo D. HOLLIS, citizens ofthe United States, residing at Boulder Creek, county of Santa Cruz, andState of California, have invented a new and useful Reversible Plow, ofwhich the following is a specification.

Our invention relates to certain improvements in the methods and devicesused in reversing, adjusting, and securing the necessary movable parts,embracing the beam, standard, and plow proper, together with their usualattachments and these herein specially provided.

The object of our invention is to provide a light, strong, serviceablecombined right and left hand plow for general use on side hills andlevel land, and adjustable laterally where it may be necessary to adjustthe plow to the right or left of the line of draft, as for orchard orvineyard plowing. WVe attain these objects by the means and mechanismdescribed in the accompanying specification and drawings, in whichFigure 1 is a perspective view of a plOW embodying our improvements.Fig. 2 is an elevation showing the landside of the plow, the beam andstandardbeing shown partly in section to exhibit the friction-journaland pivot of the beam. Fig. 3 is a partial end view of the side plateand lower end of standard and stop-lugs. Fig. 4 is a front end viewofthe looped cam-lever which secures and releases the standard and beamand the plow and the back end of the beam. Fig. 5 is an elevation of thelower end of the standard with curved line, showing surface ofmold-board.

Similar letters refer to like parts in the different views.

The plow is double-ended, and rolls or tilts a quarter-turn in avertical plane and parallel to the furrow. The beam is pivoted upon thestandard and swings horizontally to the op posite position, completingthe reversal of the plow.

The plow bottom or plow proper, Fig. 2, is supported upon a light openmetal frame, which may be more or less than a right angle from a b to ba. To this frame and the mold board E areattached ordinary plow pointsor shares at O, and the whole secured together in the usual manner. Thatpart of the side frame, D, Fig. 2, forming the hub atf and extending tothe dotted lines atg 9, forms the outside wall of the standard-slot m,Fig. 1. The inside is formed by a corresponding plate or bracket,(indicated by dotted lines at h, Fig. 1,) which is attached to the underside of the mold-board E below h 71. The side and ends of the plate nextto the side and edges of the standard coincide with the surface-lines ofthe slot at 112., being also attached at the ends to the side plate, D.A deep strong slot is thus formed, through which the plow, pivoted uponthe pin at f, moves freely past the standard while being reversed. Thedotted circle below A, Fig. 2, describes the length of the slot, thelength of the legs of the standard, and the movement of the slot andstop-lugs to and from their opposite points of contact with the standardwhen the plow is reversed.

The dotted line .9 a indicates the curve through which that part of theloop in contact with the back part of the plow moves to release orsecure the plow. The dotted curve (mindicates the direction and spacethe point a traverses when reversed. or position described appliesequally to the opposite. (Not shown or described.)

Fig. 5shows the form of the lower end of th standard, resembling aninverted Y. Thesides are parallel, and the thickness conformsto thewidth of the slot.

In Fig. 2 the left leg of the standard, at gt, is shown with the thruston the end between the dotted lines, the upper edge at in coming throughand flush with the mold-board, and held laterally between the side plateat g mf and the inside plate before described. The right leg 2' restsupon the bottom of the open end of the stop lug or clutch is, as shownby the dotted lines, Fig. 2, and corresponding end View, Fig. 3.

R 70, Figs. 2 and 3, are stop lugs or clutches secured to the insideplate, and open at the side, and alternately receiving and releasing thelegs i as the plow is reversed. The beam B is provided with a suitablesocket or bearing, into which is fitted the head of the standard A, uponwhich the beam may swing horizontally.

P is a bolt or stud secured to the head 0 of Any movement I the standardA, and passes through a hole in the top of the beam B, thence upwardbetween the jaws and through a hole in the arched cap of the loopedcam-lever F, and terminating with a nut or jam-nuts to adjust the strain011 the cam. Forming the back extension and a part of this cam is alooped lever-handle, 7", which releases the plow-point at a from thequadrant G when lifted, or secures them when depressed. The cam may beused with or without rollers. In case of dispensing with them, theoutside of the cam at F, Fig. 2, could be solid, with similar outlines,the rear extension of the beam terminating in a notched quadrant, G, theradius of which is equal to the distance between the center of the pivotO and the engaging corner of the plow, allowing for depth of notcheswhen the plow is in working position. The quadrant is used partly as abrace to resist the direct strain and the lateral or twist strain of theplow, and partly to set the plow either in the direct line of draft orto one side or the other, as maybe required, the face of thequadrantbeing properly marked for this purpose, and the notched portion(of.

the quadrant) corresponding with the corner of the plow may be solid orattached to the beam, as desired.

A wooden or other style of beam may be used by a suitable modificationof the designated parts.

Operation: Assuming the plow has reached the end of the furrow, asshown, the operator lifts the handle r over the point a and allows thebeam to tip forward free of the notched quadrant G, meantime the teamwalking around and swinging the beam to the opposite position, which,when reached, the team may move forward, or a push on the handles willl. The combination of arotating plow-beam with the pivotal standard A,and the doublepointed tilt-ing plows O, pivoted on the lower end of saidstandard,with a movement of substantially a quarter revolution in avertical plane parallel to the landside-plate D, substantially as andfor the purpose specified.

2. The double-pointed tilting plow O, having substantially aright-angled frame, D, at-

tached to which are the stop-lugs 7a or equivalents, and the mold-boardE, provided with shares or points at O, andwith aslot and brackets, asat m h h, and pivotal bearing at f, in combination with the pivotalstandard A, and a rotating plow-beam, substantially as and for thepurpose set forth.

3. The pivotal standard A, having a, friction-bearing and pivot for thebeam, as at o 0, and tension-bolt, as at P, the flattened and forkedlower ends conforming to the sides and .ends of the mold-board slot, andcoming flush,

as at m, and conforming to the surface of the mold-board E,incombination with the doublepointed tilting plowE G, the frame D, and thestop-lugs 7c, and engaging the sides and ends of the slot, the pivotf,and the rotating beam, as at v 0, substantially as and for the purposeset forth. v

4. The notched quadrant G, in combination with a rotating beam, thepivot and friction bearing, as ato 0, the cam and looped lever F a r,the pivotal standard A, as described, and the double'pointed plow E 0,having slot, as at m, and a landside-plate, D, having stoplugs k,supporting and secured to the mold-board E, bracket at h h, andpivot-bearing at f, said plow-point engaging with the notched quadrant,as shown near 0, substantially as and for the purpose specified.

5. The combination of the looped lever and cam F with the plow O,quadrant G, stud and nut at P, rotating beam B, frictionbearing andpivot v 0, and pivotal standard A, the whole arranged and constructedsubstantially as and forthe purpose described.

SAMUEL J. BENSON.

- ALONZO D. HOLLIS.

Witnesses:

R. H. WETMORE, J r., J. W. CUNNINGHAM.

